Cheap flights from St. Louis to Baltimore from $64
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Baltimore departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Washington, D.C.
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from St. Louis to Washington, D.C.
All round-trip flight deals to Washington, D.C.
United Airlines flights from St. Louis to Baltimore
Our best United Airlines deals on St. Louis to Baltimore flight tickets
Delta flights from St. Louis to Baltimore
Our best Delta deals on St. Louis to Baltimore flight tickets
How to get the cheapest flight ticket from St. Louis to Baltimore
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from St. Louis to Baltimore?
September. The cheapest time of year to fly to Baltimore from St. Louis is September. Most expensive is March
What is the cheapest day to depart St. Louis for Baltimore?
Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Sunday
When is the cheapest time to fly from St. Louis to Baltimore?
In the evening. St. Louis to Baltimore flights are approximately 19% more expensive in the morning than in the evening
What is the cheapest airline that flies to Baltimore from St. Louis?
Frontier. Frontier, Spirit Airlines, and Delta are the most popular carriers operating from St. Louis to Baltimore
What is the cheapest St. Louis to Baltimore flight route?
Lambert-St Louis - Baltimore/Washington. Fly from Lambert-St Louis to Baltimore/Washington for the best St. Louis - Baltimore flight prices
How far in advance should you book St. Louis to Baltimore flights?
32 days before. The cheapest time to buy a flight from St. Louis to Baltimore is approximately 32 days to departure
How many flights depart from St. Louis to Baltimore on average per day?
As of November 2024, there are 2 flights per week flying from St. Louis to Baltimore. The most common time of day flights depart is 5:00PM, with 30% of flights taking off at noon.
How many flights depart from St. Louis to Baltimore on average per week?
16 flights are operational weekly from St. Louis to Baltimore as of November 2024. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.
Can stopping save me money on St. Louis to Baltimore flights?
You could potentially save up to 46% on your flight if you consider stops on a St. Louis to Baltimore flight.
How have St. Louis to Baltimore flight prices changed over time?
As of November 2024, prices for St. Louis to Baltimore flights are approximately 0% more expensive when compared to flights at the same time last year.
When to book flights from St. Louis to Baltimore
Cheap St. Louis to Baltimore (STL to BWI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Baltimore
How far is Lambert-St Louis to Baltimore/Washington by plane?
The straight-line distance from Lambert-St Louis to Baltimore/Washington is 730.2 mi. By plane, this route typically takes 1h 55m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Baltimore/Washington Airport?
Prices for flights from Lambert-St Louis Airport to Baltimore/Washington Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Baltimore/Washington Airport?
As of November 2024, there are 6 operators available to choose from for flights from Lambert-St Louis Airport to Baltimore/Washington Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Baltimore/Washington Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The travel and health documents required for your trip to Baltimore/Washington Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Baltimore/Washington Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from St. Louis to Baltimore?
Based on momondo bookings for flights between St. Louis and Baltimore, the leading plane model is Boeing 737-700 Passenger/BBJ1 (winglets), making up 30.88% of the total bookings. Other popular models include Boeing 737 MAX 8 with 18.43%, Boeing 737-800 Passenger/BBJ2 (winglets) with 16.59%, and Canadair (Bombardier) Regional Jet CRJ-550 with 13.36%.
What is the most popular airline from St. Louis to Baltimore?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Baltimore is American Airlines, representing 34.10% of all bookings. The subsequent popular airlines are Delta at 32.06%, Southwest at 18.32%, and Frontier at 8.14%.
Best airlines flying from St. Louis to Baltimore
Compare and see reviews for airlines that fly from St. Louis to Baltimore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 6.1 3,543 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 6.3 8,176 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $185 | Free Cancellation | Rating 7.4 9,168 reviews | |||
| PriceFrom $207 | Free Cancellation | Rating 8.0 8,766 reviews | |||
| PriceFrom $211 | Free Cancellation | Rating 8.1 5,022 reviews |
Southwest Flights From St. Louis to Baltimore
Southwest flies from St. Louis to Baltimore around 16 times per week, with 5,022 momondo users rating the airline 8.1/10. The cheapest Southwest deal from St. Louis to Baltimore in the last 72 hours was $211 (round-trip), much lower than the average airfare cost of $384 for Southwest flights on this route.
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Baltimore?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Baltimore. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from St. Louis to Baltimore with flexible booking policies on momondo?
All flight searches from St. Louis to Baltimore on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from St. Louis to Baltimore?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Baltimore from St. Louis.
I’m not ready to book a flight from St. Louis to Baltimore right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Baltimore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baltimore and let you know when they change.